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Add image-load-store OpenGL extension

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This commit is contained in:
Nikita Lisitsa 2022-04-22 10:37:14 +03:00
parent fc514577a1
commit 366a0653b5
3 changed files with 97 additions and 1 deletions
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3
libs/gfx/gl-loader-generator-config.json
View file

@ -5,7 +5,8 @@
"profile": "core",
"extensions": [
"ARB_texture_filter_anisotropic",
"ARB_compute_shader"
"ARB_compute_shader",
"ARB_shader_image_load_store"
],
"indent": "\t",
"namespace": "gl",

76
libs/gfx/include/psemek/gfx/gl.hpp
View file

@ -538,6 +538,11 @@ namespace gl
extern void (*glDispatchCompute)(GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z);
extern void (*glDispatchComputeIndirect)(GLintptr indirect);
// GL_ARB_shader_image_load_store
extern void (*glBindImageTexture)(GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format);
extern void (*glMemoryBarrier)(GLbitfield barriers);
// GL_ARB_texture_filter_anisotropic
@ -1777,6 +1782,76 @@ namespace gl
inline void DispatchCompute(GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z){ return internal::glDispatchCompute(num_groups_x, num_groups_y, num_groups_z); }
inline void DispatchComputeIndirect(GLintptr indirect){ return internal::glDispatchComputeIndirect(indirect); }
// GL_ARB_shader_image_load_store
constexpr GLenum VERTEX_ATTRIB_ARRAY_BARRIER_BIT = 0x00000001;
constexpr GLenum ELEMENT_ARRAY_BARRIER_BIT = 0x00000002;
constexpr GLenum UNIFORM_BARRIER_BIT = 0x00000004;
constexpr GLenum TEXTURE_FETCH_BARRIER_BIT = 0x00000008;
constexpr GLenum SHADER_IMAGE_ACCESS_BARRIER_BIT = 0x00000020;
constexpr GLenum COMMAND_BARRIER_BIT = 0x00000040;
constexpr GLenum PIXEL_BUFFER_BARRIER_BIT = 0x00000080;
constexpr GLenum TEXTURE_UPDATE_BARRIER_BIT = 0x00000100;
constexpr GLenum BUFFER_UPDATE_BARRIER_BIT = 0x00000200;
constexpr GLenum FRAMEBUFFER_BARRIER_BIT = 0x00000400;
constexpr GLenum TRANSFORM_FEEDBACK_BARRIER_BIT = 0x00000800;
constexpr GLenum ATOMIC_COUNTER_BARRIER_BIT = 0x00001000;
constexpr GLenum ALL_BARRIER_BITS = 0xFFFFFFFF;
constexpr GLenum MAX_IMAGE_UNITS = 0x8F38;
constexpr GLenum MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS = 0x8F39;
constexpr GLenum IMAGE_BINDING_NAME = 0x8F3A;
constexpr GLenum IMAGE_BINDING_LEVEL = 0x8F3B;
constexpr GLenum IMAGE_BINDING_LAYERED = 0x8F3C;
constexpr GLenum IMAGE_BINDING_LAYER = 0x8F3D;
constexpr GLenum IMAGE_BINDING_ACCESS = 0x8F3E;
constexpr GLenum IMAGE_1D = 0x904C;
constexpr GLenum IMAGE_2D = 0x904D;
constexpr GLenum IMAGE_3D = 0x904E;
constexpr GLenum IMAGE_2D_RECT = 0x904F;
constexpr GLenum IMAGE_CUBE = 0x9050;
constexpr GLenum IMAGE_BUFFER = 0x9051;
constexpr GLenum IMAGE_1D_ARRAY = 0x9052;
constexpr GLenum IMAGE_2D_ARRAY = 0x9053;
constexpr GLenum IMAGE_CUBE_MAP_ARRAY = 0x9054;
constexpr GLenum IMAGE_2D_MULTISAMPLE = 0x9055;
constexpr GLenum IMAGE_2D_MULTISAMPLE_ARRAY = 0x9056;
constexpr GLenum INT_IMAGE_1D = 0x9057;
constexpr GLenum INT_IMAGE_2D = 0x9058;
constexpr GLenum INT_IMAGE_3D = 0x9059;
constexpr GLenum INT_IMAGE_2D_RECT = 0x905A;
constexpr GLenum INT_IMAGE_CUBE = 0x905B;
constexpr GLenum INT_IMAGE_BUFFER = 0x905C;
constexpr GLenum INT_IMAGE_1D_ARRAY = 0x905D;
constexpr GLenum INT_IMAGE_2D_ARRAY = 0x905E;
constexpr GLenum INT_IMAGE_CUBE_MAP_ARRAY = 0x905F;
constexpr GLenum INT_IMAGE_2D_MULTISAMPLE = 0x9060;
constexpr GLenum INT_IMAGE_2D_MULTISAMPLE_ARRAY = 0x9061;
constexpr GLenum UNSIGNED_INT_IMAGE_1D = 0x9062;
constexpr GLenum UNSIGNED_INT_IMAGE_2D = 0x9063;
constexpr GLenum UNSIGNED_INT_IMAGE_3D = 0x9064;
constexpr GLenum UNSIGNED_INT_IMAGE_2D_RECT = 0x9065;
constexpr GLenum UNSIGNED_INT_IMAGE_CUBE = 0x9066;
constexpr GLenum UNSIGNED_INT_IMAGE_BUFFER = 0x9067;
constexpr GLenum UNSIGNED_INT_IMAGE_1D_ARRAY = 0x9068;
constexpr GLenum UNSIGNED_INT_IMAGE_2D_ARRAY = 0x9069;
constexpr GLenum UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY = 0x906A;
constexpr GLenum UNSIGNED_INT_IMAGE_2D_MULTISAMPLE = 0x906B;
constexpr GLenum UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY = 0x906C;
constexpr GLenum MAX_IMAGE_SAMPLES = 0x906D;
constexpr GLenum IMAGE_BINDING_FORMAT = 0x906E;
constexpr GLenum IMAGE_FORMAT_COMPATIBILITY_TYPE = 0x90C7;
constexpr GLenum IMAGE_FORMAT_COMPATIBILITY_BY_SIZE = 0x90C8;
constexpr GLenum IMAGE_FORMAT_COMPATIBILITY_BY_CLASS = 0x90C9;
constexpr GLenum MAX_VERTEX_IMAGE_UNIFORMS = 0x90CA;
constexpr GLenum MAX_TESS_CONTROL_IMAGE_UNIFORMS = 0x90CB;
constexpr GLenum MAX_TESS_EVALUATION_IMAGE_UNIFORMS = 0x90CC;
constexpr GLenum MAX_GEOMETRY_IMAGE_UNIFORMS = 0x90CD;
constexpr GLenum MAX_FRAGMENT_IMAGE_UNIFORMS = 0x90CE;
constexpr GLenum MAX_COMBINED_IMAGE_UNIFORMS = 0x90CF;
inline void BindImageTexture(GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format){ return internal::glBindImageTexture(unit, texture, level, layered, layer, access, format); }
inline void MemoryBarrier(GLbitfield barriers){ return internal::glMemoryBarrier(barriers); }
// GL_ARB_texture_filter_anisotropic
constexpr GLenum TEXTURE_MAX_ANISOTROPY = 0x84FE;
@ -1792,6 +1867,7 @@ namespace gl
int minor_version();
bool ext_ARB_compute_shader();
bool ext_ARB_shader_image_load_store();
bool ext_ARB_texture_filter_anisotropic();
} // namespace sys

19
libs/gfx/source/gl.cpp
View file

@ -472,6 +472,11 @@ namespace gl
void (*glDispatchCompute)(GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z) = nullptr;
void (*glDispatchComputeIndirect)(GLintptr indirect) = nullptr;
// GL_ARB_shader_image_load_store
void (*glBindImageTexture)(GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format) = nullptr;
void (*glMemoryBarrier)(GLbitfield barriers) = nullptr;
// GL_ARB_texture_filter_anisotropic
@ -481,6 +486,7 @@ namespace gl
{
static bool ext_GL_ARB_compute_shader_loaded = false;
static bool ext_GL_ARB_shader_image_load_store_loaded = false;
static bool ext_GL_ARB_texture_filter_anisotropic_loaded = false;
static bool load_core()
@ -1222,6 +1228,16 @@ namespace gl
return true;
}
static bool load_ext_GL_ARB_shader_image_load_store()
{
internal::glBindImageTexture = reinterpret_cast<void (*)(GLuint , GLuint , GLint , GLboolean , GLint , GLenum , GLenum )>(internal::get_proc_address("glBindImageTexture"));
if (!internal::glBindImageTexture) return false;
internal::glMemoryBarrier = reinterpret_cast<void (*)(GLbitfield )>(internal::get_proc_address("glMemoryBarrier"));
if (!internal::glMemoryBarrier) return false;
return true;
}
static bool load_ext_GL_ARB_texture_filter_anisotropic()
{
@ -1240,6 +1256,8 @@ namespace gl
if (extensions.count("GL_ARB_compute_shader") > 0)
ext_GL_ARB_compute_shader_loaded = load_ext_GL_ARB_compute_shader();
if (extensions.count("GL_ARB_shader_image_load_store") > 0)
ext_GL_ARB_shader_image_load_store_loaded = load_ext_GL_ARB_shader_image_load_store();
if (extensions.count("GL_ARB_texture_filter_anisotropic") > 0)
ext_GL_ARB_texture_filter_anisotropic_loaded = load_ext_GL_ARB_texture_filter_anisotropic();
@ -1253,6 +1271,7 @@ namespace gl
int minor_version(){ return 3; }
bool ext_ARB_compute_shader(){ return ext_GL_ARB_compute_shader_loaded; }
bool ext_ARB_shader_image_load_store(){ return ext_GL_ARB_shader_image_load_store_loaded; }
bool ext_ARB_texture_filter_anisotropic(){ return ext_GL_ARB_texture_filter_anisotropic_loaded; }
} // namespace sys